/Engine/Source/Developer/TraceInsights/Public/Insights/IUnrealInsightsModule.h
Allows for registering a delegate callback for populating aFInsightsMajorTabExtenderstructure.
[FOnRegisterMajorTabExtensions](API\Developer\TraceInsights\Insights\FOnRegisterMajorTabExtensions) & OnRegisterMajorTabExtension ( const [FName](API\Runtime\Core\UObject\FName) & InMajorTabId )